“…A preexisting subdural hematoma may transform to an infected subdural hematoma mainly through hematogenous infection. According to previous reports, the phlogogenic fungus of an infected subdural hematoma widely varies, including Escherichia coli , Klebsiella , Salmonella and Methicillin-resistant Staphylococcus aureus (MRSA) [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ]. In this report, we present an adult case that developed chronic subdural hematoma infected by Propionibacterium acnes .…”